KnockoutJs - submit data from text field

Hi,
How can i submit my text field values, Just alert the values in “processClick” function


    var viewModel = {

        
        participants: ko.observableArray(),
        viewShown: function () {
            var event_id = "4";
            var selectPartiNo = '2';

            var str = '';
            var NoPrticiField;

            var participants = [];
            for (var NoPrticiField = 1; NoPrticiField <= selectPartiNo; NoPrticiField++) {
                participants.push({
                    NoPrticiField: NoPrticiField,
                    empname: ko.observable(),
                    designation: ko.observable(),
                    email: ko.observable()
                });
            }
            viewModel.participants(participants);
        },



        processClick: function () {
          
           // Here i want how to submit my filed values just alert the result           
            
        }

    };


<div id="registrationWrap">            
	<div data-bind="foreach: participants">
		<p style="font-weight:bold;color:#039;" data-bind="text: 'Participant ' + NoPrticiField"></p><br/>
		<b>Full name:</b><input data-bind="value: empname"><br/>
		<b>Designation :</b><input type="text" data-bind="value: designation"><br/>
		<b> Email :</b><input type="text" data-bind="value: email"><br/>
		
	</div>
	<div class="button"   data-bind="dxButton: { text: 'Click me', clickAction: processClick }"></div>
</div>